挂钩Windows API

作者: 来源:网络文章时间:2005-12-13 17:14:12

挂钩Windows API(10)
    push    MEMORY_BASIC_INFORMATION_SIZE
    push    esi
    push    edi
    call    VirtualQuery        ;内存页的信息
    test    eax,eax
    jz    free_mem

    call    GetCurrentProcess
    push    5
    push    edi
    push    eax
    call    FlushInstructionCache    ;只是为了确定一下:)

    lea    eax,[esi+014h]
    push    eax
    push    PAGE_EXECUTE_READWRITE
    lea    eax,[esi+00Ch]
    push    [eax]
    push    [esi]
    call    VirtualProtect          ;我们要修改保护属性，这样才能够写入代码
    test    eax,eax
    jz    free_mem

    mov    byte ptr [edi],0E9h    ;写入跳转指令
    mov    eax,offset new_sleep
    sub    eax,edi
    sub    eax,5
    inc    edi
    stosd                ;这里是跳转地址

1.挂钩Windows API(1)
2.挂钩Windows API(2)
3.挂钩Windows API(3)
4.挂钩Windows API(4)
5.挂钩Windows API(5)
6.挂钩Windows API(6)
7.挂钩Windows API(7)
8.挂钩Windows API(8)
9.挂钩Windows API(9)
10.挂钩Windows API(10)
11.挂钩Windows API(11)
12.挂钩Windows API(12)
13.挂钩Windows API(13)
14.挂钩Windows API(14)
15.挂钩Windows API(15)
16.挂钩Windows API(16)
17.挂钩Windows API(17)
18.挂钩Windows API(18)
19.挂钩Windows API(19)
20.挂钩Windows API(20)
21.挂钩Windows API(21)
22.挂钩Windows API(22)
23.挂钩Windows API(23)
24.挂钩Windows API(24)
25.挂钩Windows API(25)
26.挂钩Windows API(26)
27.挂钩Windows API(27)
28.挂钩Windows API(28)
29.挂钩Windows API(29)
30.挂钩Windows API(30)
31.挂钩Windows API(31)
32.挂钩Windows API(32)
33.挂钩Windows API(33)
34.挂钩Windows API(34)
35.挂钩Windows API(35)
36.挂钩Windows API(36)
37.挂钩Windows API(37)
38.挂钩Windows API(38)
39.挂钩Windows API(39)
40.挂钩Windows API(40)
41.挂钩Windows API(41)
42.挂钩Windows API(42)
43.挂钩Windows API(43)
44.挂钩Windows API(44)
45.挂钩Windows API(45)
46.挂钩Windows API(46)
47.挂钩Windows API(47)
48.挂钩Windows API(48)
49.挂钩Windows API(49)
50.挂钩Windows API(50)
51.挂钩Windows API(51)
52.挂钩Windows API(52)
53.挂钩Windows API(53)
54.挂钩Windows API(54)
55.挂钩Windows API(55)
56.挂钩Windows API(56)
57.挂钩Windows API(57)

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